Arnett, OK 73832 Frost Dates
73832, near Arnett, OK: the frost window
Typically, the last spring freeze lands around 04/15, roughly 230 days out. Fall's first freeze usually shows up around 10/27, roughly 194 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Arnett in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Arnett's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/29 and only about 1 year in 10 sees frost after that.
Arnett against the rest of the dataset
At roughly 194 frost-free days, Arnett places 19,579 of 40,283 ZIP codes in this dataset. Within OK, it ranks 726 of 764.
Learn more
Two guides worth reading on 73832: local microclimates, on what one yard in Arnett can differ from the 73832 normal, and zone vs. frost date, on why Zone 7a and Arnett's frost date answer different questions.